pthread_mutexattr_setwakeup_np()

Set the wake-up attribute of a mutex

Synopsis:

#include <pthread.h>

int pthread_mutexattr_setwakeup_np(
       pthread_mutexattr_t *attr,
       int wakeup );

Arguments:

attr

A pointer to the pthread_mutexattr_t object that you want to set the attribute in.

wakeup

The new value for the attribute; one of:

PTHREAD_WAKEUP_DISABLE
PTHREAD_WAKEUP_ENABLE

Library:

libc

Use the -l c option to qcc to link against this library. This library is usually included automatically.

The pthread_mutexattr_setwakeup_np() function sets the wake-up attribute of the given mutex. If this attribute is enabled, a thread can call pthread_mutex_wakeup_np() to unblock any threads that are waiting for the mutex.

The “np” in these functions' names stands for “non-POSIX.”

Returns:

EOK

Classification:

QNX Neutrino

Safety:
Cancellation point	No
Interrupt handler	Yes
Signal handler	Yes
Thread	Yes